<?php
/**
 * Optional standalone local server observation collector.
 *
 * Usage: php server-audit.php --preflight=/private/preflight.json
 *   --root=/path/to/wordpress --output=/private/server.json [--profile=auto]
 *
 * @package Px320\SiteAudit
 */

declare(strict_types=1);

use Px320\SiteAudit\Cli\PrivateJsonWriter;
use Px320\SiteAudit\Cli\StandaloneArguments;
use Px320\SiteAudit\Cli\StandaloneServerArtifact;
use Px320\SiteAudit\Filesystem\WordPressPathProvider;
use Px320\SiteAudit\Server\ServerObservationCollector;

if ( ! defined( 'ABSPATH' ) ) {
	if ( 'cli' !== PHP_SAPI ) {
		exit;
	}

	( static function (): void {
		$px320_autoload = dirname( __DIR__ ) . '/vendor/autoload.php';
		if ( ! is_readable( $px320_autoload ) ) {
			// Standalone CLI output is a terminal stream, not a WordPress file.
			// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fwrite
			fwrite( STDERR, "The plugin autoloader is unavailable.\n" );
			exit( 1 );
		}
		require $px320_autoload;

		try {
			$px320_options = ( new StandaloneArguments() )->parse( $GLOBALS['argv'] ?? array() );
			$px320_profile = $px320_options['profile'];
			$px320_root    = realpath( $px320_options['root'] );
			if ( false === $px320_root || ! is_dir( $px320_root ) || ! is_file( $px320_root . '/wp-load.php' ) ) {
				throw new InvalidArgumentException( 'invalid_wordpress_root' );
			}
			// The standalone collector identifies only the verified WordPress root. It
			// deliberately does not infer the location of a customized content directory,
			// bootstrap WordPress, or read wp-config.php.
			$px320_paths        = new WordPressPathProvider(
				array(
					'wordpress_root'  => $px320_root,
					'content_root'    => '',
					'plugins_root'    => '',
					'mu_plugins_root' => '',
					'uploads_root'    => '',
					'theme_roots'     => array(),
				)
			);
			$px320_contract     = new StandaloneServerArtifact( $px320_paths );
			$px320_preflight    = $px320_contract->read_preflight( $px320_options['preflight'] );
			$px320_observations = ( new ServerObservationCollector( null, true, $px320_paths ) )->collect( $px320_profile );
			$px320_artifact     = $px320_contract->create( $px320_preflight, $px320_observations );
			// WordPress is intentionally not loaded in the standalone process.
			// phpcs:ignore WordPress.WP.AlternativeFunctions.json_encode_json_encode
			$px320_json = json_encode( $px320_artifact, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR ) . "\n";
			( new PrivateJsonWriter( $px320_paths ) )->write( $px320_options['output'], $px320_json );

			// Standalone CLI output is a terminal stream, not a WordPress file.
			// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fwrite
			fwrite( STDOUT, "Private server artifact created locally. No network request was made.\n" );
		} catch ( Throwable $px320_exception ) {
			// Standalone CLI output is a terminal stream, not a WordPress file.
			// phpcs:ignore WordPress.WP.AlternativeFunctions.file_system_operations_fwrite
			fwrite( STDERR, "The standalone server artifact could not be created. No network request was made.\n" );
			exit( 1 );
		}
	} )();

	exit;
}